/*
 * Licensed to Elasticsearch B.V. under one or more contributor
 * license agreements. See the NOTICE file distributed with
 * this work for additional information regarding copyright
 * ownership. Elasticsearch B.V. licenses this file to you under
 * the Apache License, Version 2.0 (the "License"); you may
 * not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *    http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */

using System.Collections.Generic;
using System.Linq;
using System.Runtime.Serialization;

namespace Nest
{
	public class InnerHitsMetadata
	{
		[DataMember(Name ="hits")]
		public List<IHit<ILazyDocument>> Hits { get; internal set; }

		[DataMember(Name ="max_score")]
		public double? MaxScore { get; internal set; }

		[DataMember(Name = "total")]
		public TotalHits Total { get; internal set; }

		public IEnumerable<T> Documents<T>() where T : class
		{
			if (Hits == null || Hits.Count == 0)
				return Enumerable.Empty<T>();

			return Hits.Select(hit => hit.Source.As<T>()).ToList();
		}
	}
}
